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All results from a given calculation for CH3COCH3 (Acetone)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-193.002699
Energy at 298.15K-193.008682
HF Energy-193.002699
Nuclear repulsion energy119.090507
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3209 3060 5.61 68.46 0.62 0.77
2 A 3146 3000 0.00 10.06 0.75 0.86
3 A 3077 2935 5.91 217.38 0.01 0.02
4 A 1769 1687 122.84 4.51 0.43 0.60
5 A 1513 1443 0.04 35.66 0.75 0.86
6 A 1513 1443 34.94 35.69 0.73 0.84
7 A 1441 1374 25.37 3.79 0.68 0.81
8 A 1114 1062 0.00 5.04 0.59 0.74
9 A 930 887 0.00 4.16 0.75 0.86
10 A 817 779 0.23 11.16 0.16 0.27
11 A 382 365 1.38 0.44 0.55 0.71
12 A 57 55 0.00 0.11 0.75 0.86
13 B 3208 3059 10.71 55.15 0.75 0.86
14 B 3153 3007 17.95 108.75 0.75 0.86
15 B 3072 2930 1.16 0.82 0.75 0.86
16 B 1533 1462 32.75 0.45 0.75 0.86
17 B 1506 1436 1.47 1.89 0.75 0.86
18 B 1436 1369 70.01 7.09 0.75 0.86
19 B 1292 1232 86.07 0.05 0.75 0.86
20 B 1153 1100 6.72 0.03 0.75 0.86
21 B 937 893 2.33 3.25 0.75 0.86
22 B 534 509 15.49 2.37 0.75 0.86
23 B 498 475 0.05 1.40 0.75 0.86
24 B 137 131 0.24 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18712.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17845.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31G
ABC
0.33532 0.28542 0.16352

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.172
O2 0.000 0.000 1.408
C3 0.000 1.284 -0.615
C4 0.000 -1.284 -0.615
H5 -0.001 2.133 0.066
H6 0.001 -2.133 0.066
H7 0.880 1.338 -1.262
H8 -0.879 1.337 -1.264
H9 -0.880 -1.338 -1.262
H10 0.879 -1.337 -1.264

Atom - Atom Distances (Å)
  C1 O2 C3 C4 H5 H6 H7 H8 H9 H10
C11.23611.50551.50552.13592.13592.14972.14982.14972.1498
O21.23612.39552.39552.52022.52023.11363.11423.11363.1142
C31.50552.39552.56761.08853.48431.09421.09422.84042.8398
C41.50552.39552.56763.48431.08852.84042.83981.09421.0942
H52.13592.52021.08853.48434.26661.78141.78143.81943.8193
H62.13592.52023.48431.08854.26663.81943.81931.78141.7814
H72.14973.11361.09422.84041.78143.81941.75943.20302.6752
H82.14983.11421.09422.83981.78143.81931.75942.67523.2009
H92.14973.11362.84041.09423.81941.78143.20302.67521.7594
H102.14983.11422.83981.09423.81931.78142.67523.20091.7594

picture of Acetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.811 C1 C3 H7 110.572
C1 C3 H8 110.578 C1 C4 H6 109.811
C1 C4 H9 110.572 C1 C4 H10 110.578
O2 C1 C3 121.488 O2 C1 C4 121.488
C3 C1 C4 117.025 H5 C3 H7 109.397
H5 C3 H8 109.402 H6 C4 H9 109.397
H6 C4 H10 109.402 H7 C3 H8 107.030
H9 C4 H10 107.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.350      
2 O -0.409      
3 C -0.528      
4 C -0.528      
5 H 0.197      
6 H 0.197      
7 H 0.181      
8 H 0.181      
9 H 0.181      
10 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.214 3.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.966 0.001 0.000
y 0.001 -23.222 0.000
z 0.000 0.000 -28.843
Traceless
 xyz
x 2.067 0.001 0.000
y 0.001 3.182 0.000
z 0.000 0.000 -5.249
Polar
3z2-r2-10.498
x2-y2-0.743
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.843 0.000 0.000
y 0.000 5.062 0.000
z 0.000 0.000 5.790


<r2> (average value of r2) Å2
<r2> 81.917
(<r2>)1/2 9.051